Home / 53,178.85-73,386.47-29,305.55

Finding the Fourth Proportional to 53,178.85, 73,386.47 and 29,305.55

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Solution

The fourth proportional to 53,178.85, 73,386.47 and 29,305.55 is: 40,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,178.85 : 73,386.47 = 29,305.55 : x
  2. Step 2: Convert to fraction form
    53,178.85/73,386.47 = 29,305.55/x
  3. Step 3: Cross multiply
    53,178.85x = 73,386.47 × 29,305.55
  4. Step 4: Simplify right side
    53,178.85x = 2,150,630,865.91
  5. Step 5: Solve for x
    x = 2,150,630,865.91/53,178.85
  6. Step 6: Final answer
    x = 40,441.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.